2D Silver-Nanoplatelets Metasurface for Bright Directional Photoluminescence, Designed with the Local Kirchhoff's Law

E Bailly, JP Hugonin, JR Coudevylle, C Dabard… - ACS …, 2024 - ACS Publications
Semiconductor colloidal nanocrystals are excellent light emitters in terms of efficiency and
spectral control. They can be integrated with a metasurface to make ultrathin …

Optimized Infrared LED and Its Use in an All‐HgTe Nanocrystal‐Based Active Imaging Setup

E Bossavit, J Qu, C Abadie, C Dabard… - Advanced Optical …, 2022 - Wiley Online Library
Nanocrystals (NCs) have reached a high level of maturity, enabling their integration into
optoelectronic devices. The next challenge is the combination of several types of devices …

Observation of Quasi-Invariant Photocarrier Lifetimes in PbS Nanocrystal Assemblies Coupled to Resonant and Nonresonant Arrays of Optical Antennas

P He, A Caillas, G Boulliard, I Hamdi, P Filloux… - ACS …, 2024 - ACS Publications
We examine, in the time domain, the influence of Au antenna arrays (ie, metasurfaces) on
thin films of near-infrared PbS nanocrystals that mutually interact via Förster resonance …

Anomalous absorption in arrays of metallic nanoparticles: A powerful tool for quantum dot optoelectronics

A Caillas, S Suffit, P Filloux, E Lhuillier, A Degiron - Nano Letters, 2022 - ACS Publications
Periodic arrays of noble metal nanoparticles are emblematic nanostructures in photonics.
Their ability to sustain localized surface plasmon resonances has been used throughout the …

Controlling light emission by a thermalized ensemble of colloidal quantum dots with a metasurface

H Monin, A Loirette-Pelous, E De Leo, AA Rossinelli… - Optics …, 2023 - opg.optica.org
We report an experimental and theoretical study of light emission by a patterned ensemble
of colloidal quantum dots (cQDs). This system modifies drastically the emission spectrum …

Direct Synthesis of Ultrasmall PbS Nanocrystals Passivated with a Metal-Halide-Perovskite-like Monolayer

CJ Imperiale, F Yarur Villanueva, E Nikbin… - Chemistry of …, 2024 - ACS Publications
Inorganic shelling is a key strategy to address unwanted, surface-mediated nonradiative
pathways in semiconductor nanocrystals. Improved passivation particularly advances the …

Shaping the infrared luminescence of colloidal nanocrystals using a dielectric microcavity

E Bossavit, H Zhang, N Ledos… - Advanced Functional …, 2024 - Wiley Online Library
As they have gained maturity, colloidal nanocrystals (NCs) have also expand the spectral
range over of which they could be used for photonic and optoelectronic applications. In …

Role of Inter‐Particle Connectivity in the Photo‐Carrier Cooling Dynamics in Perovskite Quantum Dot Solids

DO Tiede, KA Koch, C Romero‐Pérez… - Advanced Optical …, 2024 - Wiley Online Library
Intraband carrier relaxation in quantum dots (QDs) has been a subject of extensive
spectroscopic investigation for several decades, and have been used to optimize the …

Étude théorique de l'émission de lumière par une assemblée d'émetteurs thermalisés dans un résonateur

A Loirette-Pelous - 2023 - pastel.hal.science
Le contrôle des propriétés de l'émission de lumière (taux d'émission spontanée, spectre,
directivité, polarisation…) est aux cœur de nombreuses applications actuelles. Une …

Shaping the spontaneous emission of extended incoherent sources into composite radial vector beams

D Schanne, S Suffit, P Filloux, E Lhuillier… - Applied Physics …, 2021 - pubs.aip.org
It is well known that concentric diffraction gratings are capable of beaming the spontaneous
emission of large extended incoherent light sources (eg, hot radiating surfaces and …